ia64: remove the hpsim platform

The hpsim platform supports the HP IA64 simulator which was useful as a
bring up platform.  But it is fairly non-standard vs real IA64 system
in that it for example doesn't support ACPI.  It also comes with a
whole bunch of simulator specific drivers.  Remove it to simplify the
IA64 port.

Note that through a weird twist only them hpsim boot loader built the
vmlinux.gz file, so the makefile targets for that are moved to the
main ia64 Makefile now.

Acked-by: Tom Vaden <tom.vaden@hpe.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lkml.kernel.org/r/20190813072514.23299-18-hch@lst.de
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 0 insertions, 510 deletions

diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c
deleted file mode 100644
index f39ef2b4ed72..000000000000
--- a/arch/ia64/hp/sim/simeth.c
+++ /dev/null
@@ -1,510 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Simulated Ethernet Driver
- *
- * Copyright (C) 1999-2001, 2003 Hewlett-Packard Co
- *	Stephane Eranian <eranian@hpl.hp.com>
- */
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/in.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/inetdevice.h>
-#include <linux/if_ether.h>
-#include <linux/if_arp.h>
-#include <linux/skbuff.h>
-#include <linux/notifier.h>
-#include <linux/bitops.h>
-#include <asm/irq.h>
-#include <asm/hpsim.h>
-
-#include "hpsim_ssc.h"
-
-#define SIMETH_RECV_MAX	10
-
-/*
- * Maximum possible received frame for Ethernet.
- * We preallocate an sk_buff of that size to avoid costly
- * memcpy for temporary buffer into sk_buff. We do basically
- * what's done in other drivers, like eepro with a ring.
- * The difference is, of course, that we don't have real DMA !!!
- */
-#define SIMETH_FRAME_SIZE	ETH_FRAME_LEN
-
-
-#define NETWORK_INTR			8
-
-struct simeth_local {
-	struct net_device_stats stats;
-	int 			simfd;	 /* descriptor in the simulator */
-};
-
-static int simeth_probe1(void);
-static int simeth_open(struct net_device *dev);
-static int simeth_close(struct net_device *dev);
-static int simeth_tx(struct sk_buff *skb, struct net_device *dev);
-static int simeth_rx(struct net_device *dev);
-static struct net_device_stats *simeth_get_stats(struct net_device *dev);
-static irqreturn_t simeth_interrupt(int irq, void *dev_id);
-static void set_multicast_list(struct net_device *dev);
-static int simeth_device_event(struct notifier_block *this,unsigned long event, void *ptr);
-
-static char *simeth_version="0.3";
-
-/*
- * This variable is used to establish a mapping between the Linux/ia64 kernel
- * and the host linux kernel.
- *
- * As of today, we support only one card, even though most of the code
- * is ready for many more. The mapping is then:
- *	linux/ia64 -> linux/x86
- * 	   eth0    -> eth1
- *
- * In the future, we some string operations, we could easily support up
- * to 10 cards (0-9).
- *
- * The default mapping can be changed on the kernel command line by
- * specifying simeth=ethX (or whatever string you want).
- */
-static char *simeth_device="eth0";	 /* default host interface to use */
-
-
-
-static volatile unsigned int card_count; /* how many cards "found" so far */
-static int simeth_debug;		/* set to 1 to get debug information */
-
-/*
- * Used to catch IFF_UP & IFF_DOWN events
- */
-static struct notifier_block simeth_dev_notifier = {
-	simeth_device_event,
-	NULL
-};
-
-
-/*
- * Function used when using a kernel command line option.
- *
- * Format: simeth=interface_name (like eth0)
- */
-static int __init
-simeth_setup(char *str)
-{
-	simeth_device = str;
-	return 1;
-}
-
-__setup("simeth=", simeth_setup);
-
-/*
- * Function used to probe for simeth devices when not installed
- * as a loadable module
- */
-
-int __init
-simeth_probe (void)
-{
-	int r;
-
-	printk(KERN_INFO "simeth: v%s\n", simeth_version);
-
-	r = simeth_probe1();
-
-	if (r == 0) register_netdevice_notifier(&simeth_dev_notifier);
-
-	return r;
-}
-
-static inline int
-netdev_probe(char *name, unsigned char *ether)
-{
-	return ia64_ssc(__pa(name), __pa(ether), 0,0, SSC_NETDEV_PROBE);
-}
-
-
-static inline int
-netdev_attach(int fd, int irq, unsigned int ipaddr)
-{
-	/* this puts the host interface in the right mode (start interrupting) */
-	return ia64_ssc(fd, ipaddr, 0,0, SSC_NETDEV_ATTACH);
-}
-
-
-static inline int
-netdev_detach(int fd)
-{
-	/*
-	 * inactivate the host interface (don't interrupt anymore) */
-	return ia64_ssc(fd, 0,0,0, SSC_NETDEV_DETACH);
-}
-
-static inline int
-netdev_send(int fd, unsigned char *buf, unsigned int len)
-{
-	return ia64_ssc(fd, __pa(buf), len, 0, SSC_NETDEV_SEND);
-}
-
-static inline int
-netdev_read(int fd, unsigned char *buf, unsigned int len)
-{
-	return ia64_ssc(fd, __pa(buf), len, 0, SSC_NETDEV_RECV);
-}
-
-static const struct net_device_ops simeth_netdev_ops = {
-	.ndo_open		= simeth_open,
-	.ndo_stop		= simeth_close,
-	.ndo_start_xmit		= simeth_tx,
-	.ndo_get_stats		= simeth_get_stats,
-	.ndo_set_rx_mode	= set_multicast_list, /* not yet used */
-
-};
-
-/*
- * Function shared with module code, so cannot be in init section
- *
- * So far this function "detects" only one card (test_&_set) but could
- * be extended easily.
- *
- * Return:
- * 	- -ENODEV is no device found
- *	- -ENOMEM is no more memory
- *	- 0 otherwise
- */
-static int
-simeth_probe1(void)
-{
-	unsigned char mac_addr[ETH_ALEN];
-	struct simeth_local *local;
-	struct net_device *dev;
-	int fd, err, rc;
-
-	/*
-	 * XXX Fix me
-	 * let's support just one card for now
-	 */
-	if (test_and_set_bit(0, &card_count))
-		return -ENODEV;
-
-	/*
-	 * check with the simulator for the device
-	 */
-	fd = netdev_probe(simeth_device, mac_addr);
-	if (fd == -1)
-		return -ENODEV;
-
-	dev = alloc_etherdev(sizeof(struct simeth_local));
-	if (!dev)
-		return -ENOMEM;
-
-	memcpy(dev->dev_addr, mac_addr, sizeof(mac_addr));
-
-	local = netdev_priv(dev);
-	local->simfd = fd; /* keep track of underlying file descriptor */
-
-	dev->netdev_ops = &simeth_netdev_ops;
-
-	err = register_netdev(dev);
-	if (err) {
-		free_netdev(dev);
-		return err;
-	}
-
-	/*
-	 * attach the interrupt in the simulator, this does enable interrupts
-	 * until a netdev_attach() is called
-	 */
-	if ((rc = hpsim_get_irq(NETWORK_INTR)) < 0)
-		panic("%s: out of interrupt vectors!\n", __func__);
-	dev->irq = rc;
-
-	printk(KERN_INFO "%s: hosteth=%s simfd=%d, HwAddr=%pm, IRQ %d\n",
-	       dev->name, simeth_device, local->simfd, dev->dev_addr, dev->irq);
-
-	return 0;
-}
-
-/*
- * actually binds the device to an interrupt vector
- */
-static int
-simeth_open(struct net_device *dev)
-{
-	if (request_irq(dev->irq, simeth_interrupt, 0, "simeth", dev)) {
-		printk(KERN_WARNING "simeth: unable to get IRQ %d.\n", dev->irq);
-		return -EAGAIN;
-	}
-
-	netif_start_queue(dev);
-
-	return 0;
-}
-
-/* copied from lapbether.c */
-static __inline__ int dev_is_ethdev(struct net_device *dev)
-{
-       return ( dev->type == ARPHRD_ETHER && strncmp(dev->name, "dummy", 5));
-}
-
-
-/*
- * Handler for IFF_UP or IFF_DOWN
- *
- * The reason for that is that we don't want to be interrupted when the
- * interface is down. There is no way to unconnect in the simualtor. Instead
- * we use this function to shutdown packet processing in the frame filter
- * in the simulator. Thus no interrupts are generated
- *
- *
- * That's also the place where we pass the IP address of this device to the
- * simulator so that that we can start filtering packets for it
- *
- * There may be a better way of doing this, but I don't know which yet.
- */
-static int
-simeth_device_event(struct notifier_block *this,unsigned long event, void *ptr)
-{
-	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
-	struct simeth_local *local;
-	struct in_device *in_dev;
-	struct in_ifaddr **ifap = NULL;
-	struct in_ifaddr *ifa = NULL;
-	int r;
-
-
-	if ( ! dev ) {
-		printk(KERN_WARNING "simeth_device_event dev=0\n");
-		return NOTIFY_DONE;
-	}
-
-	if (dev_net(dev) != &init_net)
-		return NOTIFY_DONE;
-
-	if ( event != NETDEV_UP && event != NETDEV_DOWN ) return NOTIFY_DONE;
-
-	/*
-	 * Check whether or not it's for an ethernet device
-	 *
-	 * XXX Fixme: This works only as long as we support one
-	 * type of ethernet device.
-	 */
-	if ( !dev_is_ethdev(dev) ) return NOTIFY_DONE;
-
-	if ((in_dev=dev->ip_ptr) != NULL) {
-		for (ifap=&in_dev->ifa_list; (ifa=*ifap) != NULL; ifap=&ifa->ifa_next)
-			if (strcmp(dev->name, ifa->ifa_label) == 0) break;
-	}
-	if ( ifa == NULL ) {
-		printk(KERN_ERR "simeth_open: can't find device %s's ifa\n", dev->name);
-		return NOTIFY_DONE;
-	}
-
-	printk(KERN_INFO "simeth_device_event: %s ipaddr=0x%x\n",
-	       dev->name, ntohl(ifa->ifa_local));
-
-	/*
-	 * XXX Fix me
-	 * if the device was up, and we're simply reconfiguring it, not sure
-	 * we get DOWN then UP.
-	 */
-
-	local = netdev_priv(dev);
-	/* now do it for real */
-	r = event == NETDEV_UP ?
-		netdev_attach(local->simfd, dev->irq, ntohl(ifa->ifa_local)):
-		netdev_detach(local->simfd);
-
-	printk(KERN_INFO "simeth: netdev_attach/detach: event=%s ->%d\n",
-	       event == NETDEV_UP ? "attach":"detach", r);
-
-	return NOTIFY_DONE;
-}
-
-static int
-simeth_close(struct net_device *dev)
-{
-	netif_stop_queue(dev);
-
-	free_irq(dev->irq, dev);
-
-	return 0;
-}
-
-/*
- * Only used for debug
- */
-static void
-frame_print(unsigned char *from, unsigned char *frame, int len)
-{
-	int i;
-
-	printk("%s: (%d) %02x", from, len, frame[0] & 0xff);
-	for(i=1; i < 6; i++ ) {
-		printk(":%02x", frame[i] &0xff);
-	}
-	printk(" %2x", frame[6] &0xff);
-	for(i=7; i < 12; i++ ) {
-		printk(":%02x", frame[i] &0xff);
-	}
-	printk(" [%02x%02x]\n", frame[12], frame[13]);
-
-	for(i=14; i < len; i++ ) {
-		printk("%02x ", frame[i] &0xff);
-		if ( (i%10)==0) printk("\n");
-	}
-	printk("\n");
-}
-
-
-/*
- * Function used to transmit of frame, very last one on the path before
- * going to the simulator.
- */
-static int
-simeth_tx(struct sk_buff *skb, struct net_device *dev)
-{
-	struct simeth_local *local = netdev_priv(dev);
-
-#if 0
-	/* ensure we have at least ETH_ZLEN bytes (min frame size) */
-	unsigned int length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
-	/* Where do the extra padding bytes comes from inthe skbuff ? */
-#else
-	/* the real driver in the host system is going to take care of that
-	 * or maybe it's the NIC itself.
-	 */
-	unsigned int length = skb->len;
-#endif
-
-	local->stats.tx_bytes += skb->len;
-	local->stats.tx_packets++;
-
-
-	if (simeth_debug > 5) frame_print("simeth_tx", skb->data, length);
-
-	netdev_send(local->simfd, skb->data, length);
-
-	/*
-	 * we are synchronous on write, so we don't simulate a
-	 * trasnmit complete interrupt, thus we don't need to arm a tx
-	 */
-
-	dev_kfree_skb(skb);
-	return NETDEV_TX_OK;
-}
-
-static inline struct sk_buff *
-make_new_skb(struct net_device *dev)
-{
-	struct sk_buff *nskb;
-
-	/*
-	 * The +2 is used to make sure that the IP header is nicely
-	 * aligned (on 4byte boundary I assume 14+2=16)
-	 */
-	nskb = dev_alloc_skb(SIMETH_FRAME_SIZE + 2);
-	if ( nskb == NULL ) {
-		printk(KERN_NOTICE "%s: memory squeeze. dropping packet.\n", dev->name);
-		return NULL;
-	}
-
-	skb_reserve(nskb, 2);	/* Align IP on 16 byte boundaries */
-
-	skb_put(nskb,SIMETH_FRAME_SIZE);
-
-	return nskb;
-}
-
-/*
- * called from interrupt handler to process a received frame
- */
-static int
-simeth_rx(struct net_device *dev)
-{
-	struct simeth_local	*local;
-	struct sk_buff		*skb;
-	int			len;
-	int			rcv_count = SIMETH_RECV_MAX;
-
-	local = netdev_priv(dev);
-	/*
-	 * the loop concept has been borrowed from other drivers
-	 * looks to me like it's a throttling thing to avoid pushing to many
-	 * packets at one time into the stack. Making sure we can process them
-	 * upstream and make forward progress overall
-	 */
-	do {
-		if ( (skb=make_new_skb(dev)) == NULL ) {
-			printk(KERN_NOTICE "%s: memory squeeze. dropping packet.\n", dev->name);
-			local->stats.rx_dropped++;
-			return 0;
-		}
-		/*
-		 * Read only one frame at a time
-		 */
-		len = netdev_read(local->simfd, skb->data, SIMETH_FRAME_SIZE);
-		if ( len == 0 ) {
-			if ( simeth_debug > 0 ) printk(KERN_WARNING "%s: count=%d netdev_read=0\n",
-						       dev->name, SIMETH_RECV_MAX-rcv_count);
-			break;
-		}
-#if 0
-		/*
-		 * XXX Fix me
-		 * Should really do a csum+copy here
-		 */
-		skb_copy_to_linear_data(skb, frame, len);
-#endif
-		skb->protocol = eth_type_trans(skb, dev);
-
-		if ( simeth_debug > 6 ) frame_print("simeth_rx", skb->data, len);
-
-		/*
-		 * push the packet up & trigger software interrupt
-		 */
-		netif_rx(skb);
-
-		local->stats.rx_packets++;
-		local->stats.rx_bytes += len;
-
-	} while ( --rcv_count );
-
-	return len; /* 0 = nothing left to read, otherwise, we can try again */
-}
-
-/*
- * Interrupt handler (Yes, we can do it too !!!)
- */
-static irqreturn_t
-simeth_interrupt(int irq, void *dev_id)
-{
-	struct net_device *dev = dev_id;
-
-	/*
-	 * very simple loop because we get interrupts only when receiving
-	 */
-	while (simeth_rx(dev));
-	return IRQ_HANDLED;
-}
-
-static struct net_device_stats *
-simeth_get_stats(struct net_device *dev)
-{
-	struct simeth_local *local = netdev_priv(dev);
-
-	return &local->stats;
-}
-
-/* fake multicast ability */
-static void
-set_multicast_list(struct net_device *dev)
-{
-	printk(KERN_WARNING "%s: set_multicast_list called\n", dev->name);
-}
-
-__initcall(simeth_probe);